Back for you ~Zayn Malik & Ariana Grande Fanfic story~

Zayn Malik and Ariana Grande were a loving couple till Ariana had disappeared on Zayn, before joining him on his second tour with his bandmates. Fast forward around a year later, as Ariana starts her singing career and Zayn on tour with his bandmates. Zayn is unsure why Ariana left him at such a random time. What Zayn doesn't know is, Ariana had a reason she kept as a secret to her departure.Once Zayn finds out will he have a change of heart about Ariana? Will Ariana fall back into Zayn's arms again?